Question: There is an equation [※× (※3 + ※)] 2 = 8 ※※※9, wherein ※here is a number, which is unrecognizable with a drop of ink.

[Plain]
/* Start the comments in the program header (to avoid any problems encountered during the submission of blog posts, the slash used to indicate that the comments have been deleted)
* Copyright and version Declaration of the program
* All rights reserved.
* File name: txt. c
* Author: liuyongshui
* Question: there is an equation [※× (※3 + ※)] 2 = 8 ※※※9, wherein ※here is a number, which cannot be identified by dripping ink.
* Completion date: January 1, April 10, 2013
* Version No.: V1.0
*/
 
# Include <stdio. h>
 
Int main ()
{
Int num;
Int n;
Int m;
Int flag = 0;
 
// If you have any questions, you can see: num! = 0
 
For (num = 1; num <10; num ++)
{
N = num * (num * 10 + 3 + num );
M = 8*1000 + num * 100 + num * 10 + 9;
If (n * n = m)
{
Printf ("num = % d \ n", num );
Flag = 1; // if there is a valid number, falg = 1
}
}
If (flag = 0)
{
Printf ("this number (num) does not exist! \ N ");
}

Return 0;
}